// https://syzkaller.appspot.com/bug?id=f9e1639c36b944b467c0ceb7bd13491049e2cdd9
// autogenerated by syzkaller (https://github.com/google/syzkaller)

#define _GNU_SOURCE

#include <endian.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/syscall.h>
#include <sys/types.h>
#include <unistd.h>

int main(void)
{
  syscall(__NR_mmap, 0x1ffff000ul, 0x1000ul, 0ul, 0x32ul, -1, 0ul);
  syscall(__NR_mmap, 0x20000000ul, 0x1000000ul, 7ul, 0x32ul, -1, 0ul);
  syscall(__NR_mmap, 0x21000000ul, 0x1000ul, 0ul, 0x32ul, -1, 0ul);

  memcpy((void*)0x200000c0, "./file1\000", 8);
  syscall(__NR_mkdir, 0x200000c0ul, 0ul);
  memcpy((void*)0x20000300, "./bus\000", 6);
  syscall(__NR_mkdir, 0x20000300ul, 0ul);
  memcpy((void*)0x200003c0, "./bus/file1\000", 12);
  syscall(__NR_mknod, 0x200003c0ul, 0ul, 0x701);
  memcpy((void*)0x20000280, "./file0\000", 8);
  syscall(__NR_mkdir, 0x20000280ul, 0ul);
  memcpy((void*)0x200002c0, "./bus/file1\000", 12);
  memcpy((void*)0x20000440, "./bus/file0\000", 12);
  syscall(__NR_link, 0x200002c0ul, 0x20000440ul);
  memcpy((void*)0x20000000, "./bus\000", 6);
  memcpy((void*)0x20000400, "overlay\000", 8);
  memcpy((void*)0x20000300, "lowerdir=./bus,workdir=./file1,upperdir=./file0",
         47);
  syscall(__NR_mount, 0x400000ul, 0x20000000ul, 0x20000400ul, 0ul,
          0x20000300ul);
  memcpy((void*)0x20000040, "./bus/file0\000", 12);
  syscall(__NR_open, 0x20000040ul, 3ul, 0ul);
  return 0;
}